On 05/04/2016 05:12 PM, Michael Habibi wrote: > However, my question is more general than that. Are there some > widely-used, accepted steps for building a cross-compiling toolchain > with gcc? I noticed that crosstool-ng does a 3 stage build, where it > builds an initial gcc for libc start files, then rebuilds gcc for > libc, then rebuilds gcc yet again with libc. Other blogs suggest that > two stages are enough. I settled on doing a 2 stage build. I think my > steps are fine, but I think some of my configure options may need help > (prefix vs sysroot vs prefix+target, etc). But every set of > instructions I look at are different, and it seems no two blog posts, > pdfs, wikis have landed on the same procedure. That's the hard way. The easy way is to grab the root filesystem from your target machine and configure --with-sysroot=<target filesystem>. You really don't have to build libc for your target, and if your target already exists and has a libc you should not do so. Andrew.